JOHNSON, Donald M.; WARDLOW, George W.; FRANKLIN, Timothy D. Hands-On Activities Versus Worksheets In Reinforcing Physical Science Principles: Effects On Student Achievement And Attitude. Journal of Agricultural Education, [S. l.], v. 38, n. 3, p. 9–17, 1997. DOI: 10.5032/jae.1997.03009. Disponível em: https://jae-online.org/index.php/jae/article/view/1549. Acesso em: 15 aug. 2024.